<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <script src="https://cdn.staticfile.org/vue/2.2.2/vue.min.js"></script>
</head>
<body>
    <div id="app">
         <!-- 使用 v-html 指令用于输出 html 代码  就是设置标签的innerHTML-->
        <div v-html="message"></div>
    </div>
   
</body>
<script>
    new Vue({
        el: '#app',
        data: {
            message: '<h1>菜鸟教程</h1>'
        }
    })
</script>
</html>